Half-Life: Counter-Strike

What began as a modification of the game Half-Life became so popular that Sierra signed a deal with Counter-Strike's creator to package and sell it as a standalone product. If you own Half-Life, you can still download the free Counter-Strike software (www.counter-strike.net). Realistic weapons, accurate ballistics, a money system, and missions whose successful completion depends on skill and teamwork make Counter-Strike complex and addictive.

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